SURFACE FINISHING OF NANOSCRATCH PATTERNS ON COATED PYREX GLASSES USING MAF

Abstract

We investigate a surface finishing scheme fitted for AFM scratched nanopatterns on a coated surface using magnetic abrasive finishing (MAF). First, nanoscale patterning was carried out on IZO-coated Pyrex glass, with a specially-designed AFM machining setup. After AFM machining, nonuniform surface features such as pile-ups are generated, and the final shapes are often more complicated for coated materials. For this reason, MAF was implemented for the nanoscale removal of pile-up/debris of coated materials and design of experiment (DOE) was utilized to obtain optimal process conditions for the finishing process. The process was monitored using acoustic emission (AE) for coating-substrate (glass) boundary detection, as well for monitoring the polishing status/depth. Experimental results indicate the viability of the proposed scheme as a nanoscale selective finishing technique for various material setups.